Chapter Fourteen: Intro of Structural Equation Modeling

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Chapter Fourteen (Intro of) Structural Equation
Modeling

• DBA 903
• Research Methods III
• J. Schreiber

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Conventions of Path Diagrams

• Initial capitals indicate ____________
• Initial lowercases indicate ____________
• Ovals indicate __________
• Rectangles indicate ____________
• A line with one arrow indicates ___________
• A line with two arrows indicates ___________
• Es indicate ___________
• Ds indicate ___________

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SEM allows for

• Allows for
• One or more IV(s)
• One or more DV(s)
• Discrete or continuous variables
• Factors or measured variables
• Models
• Measurement
• Structural

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Advantages/Disadvantages

• Advantages
• Measurement error
• Complex relationships
• Disadvantages
• More complex analysis
• More choices of models/analytic techniques
• Controversy

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Kinds of Research Questions

• Major research question/idea
• Other questions
• Adequacy of model
• Testing theory
• Amount of variance accounted for
• Reliability
• Parameter estimates
• Mediation
• Group differences
• Longitudinal differences

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Limitations to SEM

• A confirmatory technique
• A bad reputation
• Sample size
• Assumptions